code: def __post_init__(self):
      self.num_factors = 1
      if self.factor_configs is not None:
          self.num_factors += len(self.factor_configs)
  
imports: from abc import abstractmethod
  from dataclasses import dataclass, field
  from typing import List, Tuple, Optional, Union
  import torch
  import sockeye.constants
  from .None import config
  from .None import layers
  from .None import transformer
label_desc: Use image node_id 1 for calling the EmbeddingConfig obj's underlying member method code with example usage: obj.__post_init__() without return types